For his role as Thorin Oakenshield, the leader of the dwarves in “The Hobbit,” actor Richard Armitage does it all: He sings, he wields the Orcrist sword, and he wears eyebrow prosthetics.

Armitage, 41, says that by the end of filming, he nearly lost all of his natural eyebrows, since removing the glued-on fake ones daily caused him to lose hairs. He also had to learn to use the long, curved Orcrist sword with its Elven blade.

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